Skip to Content
Medical Term:


Pronunciation: his'ton


One of a number of simple proteins (often found in the cell nucleus); contains a high proportion of basic amino acids; soluble in water, dilute acids, and alkalies; and not coagulable by heat; the proteins associated with nucleic acids in the nuclei of plant and animal tissues. They constitute about half the mass of the chromosomes of eukaryotic cells.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.